Finding the Fourth Proportional to 3,191.39, 4,787.59 and 1,630.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191.39 : 4,787.59 = 1,630.55 : x
2. Step 2: Convert to fraction form
   3,191.39/4,787.59 = 1,630.55/x
3. Step 3: Cross multiply
   3,191.39x = 4,787.59 × 1,630.55
4. Step 4: Simplify right side
   3,191.39x = 7,806,412.77
5. Step 5: Solve for x
   x = 7,806,412.77/3,191.39
6. Step 6: Final answer
   x = 2,446.08